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ubuntucveUbuntu.comUB:CVE-2023-23915
HistoryFeb 15, 2023 - 12:00 a.m.

CVE-2023-23915

2023-02-1500:00:00
ubuntu.com
ubuntu.com
18

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

25.2%

A cleartext transmission of sensitive information vulnerability exists in
curl <v7.88.0 that could cause HSTS functionality to behave incorrectly
when multiple URLs are requested in parallel. Using its HSTS support, curl
can be instructed to use HTTPS instead of using an insecure clear-text HTTP
step even when HTTP is provided in the URL. This HSTS mechanism would
however surprisingly fail when multiple transfers are done in parallel as
the HSTS cache file gets overwritten by the most recentlycompleted
transfer. A later HTTP-only transfer to the earlier host name would then
not get upgraded properly to HSTS.

Notes

Author Note
mdeslaur introduced in 7.77 same commits as CVE-2023-23914
OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchcurl< 7.81.0-1ubuntu1.8UNKNOWN
ubuntu22.10noarchcurl< 7.85.0-1ubuntu0.3UNKNOWN
ubuntu23.04noarchcurl< 7.87.0-2ubuntu1UNKNOWN

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

25.2%